16Hit1600
Expression of IdeasMediumTransitions: contrast

Expression of Ideas practice question

Most maps of the ocean floor are based on satellite estimates of the sea surface rather than direct measurement. ____, less than a quarter of the seabed has actually been mapped in high detail by ships.

Which choice completes the text with the most logical transition?

  1. A. As a result,Correct
  2. B. For instance,
  3. C. Likewise,
  4. D. In fact,

Answer: A. As a result,

Because maps rely on indirect satellite estimates, it follows that little of the seabed has been directly surveyed — a cause-and-effect relationship, so 'As a result' fits. 'In fact' signals emphasis or restatement, but the second sentence introduces a consequence, not a stronger version of the same claim.

Why the other answers are wrong

B. For instance,
'For instance' would make the second sentence an example of the first, but it states a consequence of relying on satellite estimates instead.
C. Likewise,
'Likewise' signals a parallel between two comparable points; here the second sentence follows from the first as an effect.
D. In fact,
'In fact' signals emphasis or restatement, but the second sentence gives a consequence of the satellite-based mapping, not a stronger version of the same claim.

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